STMicroelectronics · Discrete semiconductors
X0203NN 5AA4
SCR 800V 1.25A SOT223
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →
X0203NN 5AA4 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | X0203NN 5AA4 |
| Family | Discrete semiconductors |
| Package | TO-261-4, TO-261AA |
| Product Status | Obsolete |
| Voltage - Off State | 800 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 µA |
| Voltage - On State (Vtm) (Max) | 1.45 V |
| Current - On State (It (AV)) (Max) | 800 mA |
| Current - On State (It (RMS)) (Max) | 1.25 A |
| Current - Hold (Ih) (Max) | 5 mA |
| Current - Off State (Max) | 5 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 22.5A, 25A |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223 |
Documents and evidence
Request exact-model documentation with your inquiry.
Before sourcing X0203NN 5AA4
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about X0203NN 5AA4
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.
Continue your Discrete semiconductors review
1N5711DO-204AH, DO-35, Axial
1N5817DO-204AL, DO-41, Axial
1N5817RLDO-204AL, DO-41, Axial
1N5818DO-204AL, DO-41, Axial
1N5818RLDO-204AL, DO-41, Axial
1N5819DO-204AL, DO-41, Axial